[INFO] cloning repository https://github.com/mkantor/demo-cargo-insta-issue-70
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkantor/demo-cargo-insta-issue-70" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkantor%2Fdemo-cargo-insta-issue-70", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkantor%2Fdemo-cargo-insta-issue-70'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83919a4615133d7795d3ea8b6b60baffb7c11c61
[INFO] checking mkantor/demo-cargo-insta-issue-70 against master#ecb170afc878648c3ae355dbd596c8e4b6f7ebdc for pr-139022
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkantor%2Fdemo-cargo-insta-issue-70" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkantor/demo-cargo-insta-issue-70 on toolchain ecb170afc878648c3ae355dbd596c8e4b6f7ebdc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mkantor/demo-cargo-insta-issue-70
[INFO] finished tweaking git repo https://github.com/mkantor/demo-cargo-insta-issue-70
[INFO] tweaked toml for git repo https://github.com/mkantor/demo-cargo-insta-issue-70 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mkantor/demo-cargo-insta-issue-70 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded insta v0.16.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8baa664a5b990243e13b570c532c6f65f8434e1ff15a9652801a669c2e3cca6
[INFO] running `Command { std: "docker" "start" "-a" "d8baa664a5b990243e13b570c532c6f65f8434e1ff15a9652801a669c2e3cca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8baa664a5b990243e13b570c532c6f65f8434e1ff15a9652801a669c2e3cca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8baa664a5b990243e13b570c532c6f65f8434e1ff15a9652801a669c2e3cca6", kill_on_drop: false }`
[INFO] [stdout] d8baa664a5b990243e13b570c532c6f65f8434e1ff15a9652801a669c2e3cca6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+ecb170afc878648c3ae355dbd596c8e4b6f7ebdc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb68d2c7b5eb596240acd2bdbb53e6cb40b8f20ec1b1b36b9546f002e57b8c4f
[INFO] running `Command { std: "docker" "start" "-a" "eb68d2c7b5eb596240acd2bdbb53e6cb40b8f20ec1b1b36b9546f002e57b8c4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking demo-cargo-insta-issue-70 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stdout] error: error writing metadata object file: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_derive` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "eb68d2c7b5eb596240acd2bdbb53e6cb40b8f20ec1b1b36b9546f002e57b8c4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb68d2c7b5eb596240acd2bdbb53e6cb40b8f20ec1b1b36b9546f002e57b8c4f", kill_on_drop: false }`
[INFO] [stdout] eb68d2c7b5eb596240acd2bdbb53e6cb40b8f20ec1b1b36b9546f002e57b8c4f